<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Parallax Scrolling</title>
</head>
<body>
    <div id="app">
        <div class="one">one</div>
        <div class="two">two</div>
        <div class="three">three</div>
    </div>
</body>
<style>
        html {
        overflow: hidden;
        height: 100%
    }

    body {
        /* 视差元素的父级需要3D视角 */
        perspective:100px;
        transform-style: preserve-3d; 
        height: 100%;
        overflow-y: scroll;
        overflow-x: hidden;
    }
    #app{
        width: 100vw;
        height:200vh;
        background:skyblue;
        padding-top:200px;
    }
    .one{
        width:100vw;
        height:200px;
        background:#409eff;
        transform: translateZ(0px);
        /* margin-bottom: 50px; */
    }
    .two{
        width:100vw;
        height:200px;
        background:#67c23a;
        transform: translateZ(20px);
        /* margin-bottom: 150px; */
    }
    .three{
        width:100vw;
        height:200px;
        background:#e6a23c;
        transform: translateZ(50px);
        /* margin-bottom: 150px; */
    }
</style>
</html>